#102B5D#102B5D

#102B5D is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.096 H 261.4°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#102B5D
RGB	rgb(16, 43, 93)
HSL	hsl(219, 71%, 21%)
HSV	hsv(219, 83%, 36%)
CMYK	cmyk(82.8%, 53.8%, 0%, 63.5%)
CIE-LAB	lab(18.49, 10.28, -32.83)
CIE-LCH	lch(18.49, 34.40, 287.39°)
OKLab	oklab(30.07% -0.0143 -0.0945)
OKLCH	oklch(30.07% 0.096 261.4)
XYZ	xyz(3.0526, 2.6279, 10.7001)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B5D #5D4210

analogous

#10525D #102B5D #1C105D

triadic

#102B5D #5D102B #2B5D10

tetradic

#102B5D #5D1052 #5D4210 #105D1C

square

#102B5D #5D1052 #5D4210 #105D1C

split-complementary

#102B5D #5D1C10 #525D10

monochromatic

#040C1A #071329 #102B5D #194391 #225BC5

Accessibility & contrast

On white

13.77

#102B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#102B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B5D

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B5D	#FFFFFF	#000000	##FFFFFF
##102B5D	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C315F

Deuteranopia (green-blind)

#002A5C

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102b5d;
/* rgb */ color: rgb(16, 43, 93);
/* oklch */ color: oklch(30.1% 0.096 261.4);

Tailwind

colors: {
  custom: {
    50: '#5c638b',
    500: '#102b5d',
    950: '#000000',
  },
}

SCSS

$custom: #102b5d;
$custom-light: #5c638b;
$custom-dark: #000000;

JSON

{
  "hex": "#102b5d",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 93
  },
  "hsl": {
    "h": 218.961,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30074,
    "c": 0.09553,
    "h": 261.4
  },
  "luminance": 0.02628
}

Semantic roles & 50–950 ramp

primary

#102B5D

secondary

#967333

accent

#AF3AED

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102B5D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →